Let X be a random variable with the following probability distribution. Value x of X P(X=x) 30 0.40 40 0.05 50 0.40 60 0.15 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (x) = D (b) Find the variance Var(X) of X. Var (x) = D
Let X be a random variable with the following probability distribution. Value x of X P(X=x) 30 0.40 40 0.05 50 0.40 60 0.15 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (x) = D (b) Find the variance Var(X) of X. Var (x) = D
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Let X be a random variable with the following probability distribution.
Value x of X P(X=x)
30
0.40
40
0.05
50
0.40
60
0.15
Complete the following. (If necessary, consult a list of formulas.)
|(a) Find the expectation E (X) of X.
E (x) = D
(b) Find the variance Var(X) of X.
Var (X) = ]
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf648817-a410-42c0-9aed-d7ed1ec84584%2Fadc1c8ed-8128-4d97-9c8c-e8f9aa7bf0d2%2Fwx37z49_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Let X be a random variable with the following probability distribution.
Value x of X P(X=x)
30
0.40
40
0.05
50
0.40
60
0.15
Complete the following. (If necessary, consult a list of formulas.)
|(a) Find the expectation E (X) of X.
E (x) = D
(b) Find the variance Var(X) of X.
Var (X) = ]
%3D
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